diff --git a/types/react-transition-group/TransitionGroup.d.ts b/types/react-transition-group/TransitionGroup.d.ts
index 13e8daf228..913c034729 100644
--- a/types/react-transition-group/TransitionGroup.d.ts
+++ b/types/react-transition-group/TransitionGroup.d.ts
@@ -3,7 +3,7 @@ import { TransitionActions, TransitionProps } from "./Transition";
 
 declare namespace TransitionGroup {
     interface IntrinsicTransitionGroupProps<T extends keyof JSX.IntrinsicElements = "div"> extends TransitionActions {
-        component?: T;
+        component?: T|null;
     }
 
     interface ComponentTransitionGroupProps<T extends ReactType> extends TransitionActions {
diff --git a/types/react-transition-group/index.d.ts b/types/react-transition-group/index.d.ts
index 6a90201af5..dbe906f679 100644
--- a/types/react-transition-group/index.d.ts
+++ b/types/react-transition-group/index.d.ts
@@ -1,6 +1,7 @@
 // Type definitions for react-transition-group 2.0
 // Project: https://github.com/reactjs/react-transition-group
 // Definitions by: Karol Janyst <https://github.com/LKay>
+//                 Epskampie <https://github.com/Epskampie>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.6